Decades ago, Mao was raped and gave birth to an unfortunate child. She raised the child alone with a strong sense of responsibility. They had forgotten that past and were living peaceful days as mother and daughter. But one day, her daughter Rin returned home with a serious expression. Thinking it was just teenage turmoil, she left her be. But the nightmare appeared before her eyes again. As Mao was cleaning, she saw a shadow behind her…a familiar tattoo on a hand. The rapist appeared before her eyes again and defiled her. It seemed he had obtained their home address when he "assaulted" her daughter…
